<template>
  <div>
    <!--面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域-->
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="9">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            @clear="getGoodsList"
            clearable
          >
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!--商品列表区域-->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column prop="goods_price" label="商品价格（元）" width="95px"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="70px"></el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time|dataFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template v-slot="scope">
            <!--修改按钮-->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.goods_id)"></el-button>
            <!--删除角色按钮-->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeGoodsById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!--页码-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
  export default {
    name: "Goods",
    data() {
      return {
        //获取商品列表的参数对象
        queryInfo:{
          query:"",
          //当前的页数
          pagenum:1,
          //当前显示数据数量
          pagesize:10
        },
        goodsList:[],
        //数据总数
        total:0,
      }
    },
    created() {
      this.getGoodsList();
    },
    methods:{
      async getGoodsList(){
        const result=(await this.$http.get("goods",{params: this.queryInfo})).data;
        if(result.meta.status!==200) return this.$message.error("请求商品列表失败");
        this.goodsList=result.data.goods;
        this.total=result.data.total;
      },
      //监听pagesize改变事件
      handleSizeChange(newSize){
        this.queryInfo.pagesize=newSize;
        this.getGoodsList();
      },
      //监听页码值改变事件
      async handleCurrentChange(newSize){
        this.queryInfo.pagenum=newSize;
        this.getGoodsList();
      },
      //删除用户
      removeGoodsById(id){
        //用户确认删除，返回字符串confirm，取消删除，返回字符串cancel
        this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
          .then(async () => {
            const result=(await this.$http.delete("goods/" + id)).data;
            if(result.meta.status!==200) return this.$message.error("删除用户失败");
            this.$message.success('删除成功!');
            this.getGoodsList();
          })
          .catch(() => {
            this.$message.info('已取消删除');
          });
      },
      //跳转到添加商品页面
      goAddPage(){
        this.$router.push("/home/goods/add");
      }
    }
  }
</script>

<style scoped lang="less">

</style>
